December 15, 2009 This Supplement No. 1 is being issued to clarify the engines affected by Precision Airmotive Service Bulletin No. MSA-13 and Lycoming Engines Service Bulletin No. SB-582A.

DATE: March 17, 2009 MODELS AFFECTED Rebuilt, overhauled, or repaired Lycoming engines with the following cylinder kits installed: Engine Model Cylinder Kit O-320-H2AD 05K21119 (L)O-360-E1A6D 05K21121 (L)TO-360-E1A6D 05K21122 All Cylinder Kits P/N 05K21119, 05K21121, and 05K21122 that were shipped between November 20, 2008 and February 12, 2009. TIME OF COMPLIANCE For uninstalled cylinder kits...

November 13, 2009 MODELS AFFECTED The Kelly Aerospace 200F series fuel pump models listed below that were manufactured with serial numbers LAN001FP through MFN011FP (manufacture date between January 1, 2008 and June 25, 2009) and which have accumulated ten hours or less time in service. TIME OF COMPLIANCE Affected 200F series fuel pump must be replaced before further flight. If the replacement...

Supersedes Service Bulletin No. 471A February 20, 2009 MODELS AFFECTED Lycoming TIO-541-and TIGO-541 series engines. TIME OF COMPLIANCE At initial oil fill and every oil change thereafter. The additive contains an anti-scuffing agent. Laboratory tests indicate that occasionally when an engine is first started, particularly if the engine has not been used for an extended period, during cold weather...

November 19, 2009 MODELS AFFECTED Engines Shipped From Lycoming: All new, overhauled, rebuilt, or repaired (L)IO, AIO, HIO, IGO, IVO, (L)TIO, AEIO series engines with either a Precision Airmotive or Bendix RSA-5 or RSA-10 series Fuel Injection Servo, or a Precision Airmotive Silverhawk EX Fuel Injection Kit shipped from Lycoming between August 22, 2006 and April 2, 2008. Spares Shipped From...

Supersedes Service Bulletin No. 582 October 10, 2008 MODELS AFFECTED All Lycoming engines equipped with any Marvel-Schebler, Facet, Precision, or Volare carburetor model. TIME OF COMPLIANCE Within the next 30 days from the receipt of this Service Bulletin and at 30 day intervals until either the brass or advanced polymer float has been replaced with new foam float Precision P/N 30-860, 30-862 or...

Supersedes Service Bulletin No. 577 September 19, 2008 MODELS AFFECTED Lycoming O­320; AEIO­360, IO­360, O­360; AEIO­540, IO­540, TIO­540 model engines with serial numbers listed in Table 1. Newly affected serial numbers are highlighted in gray. Lycoming P/N 31A22100, 31B22101 and 31B22104 Sky­Tec starters sold as spares with Sky­Tec serial numbers listed in Table 2. Newly affected serial numbers...

Supersedes Service Bulletin No. 564 August 22, 2008 MODELS AFFECTED Lycoming AEIO­360­A1B6, ­A1E, ­H1B model engines listed below in Table. TIME OF COMPLIANCE Prior to any inverted flight but no later than next scheduled oil change (50 hours of engine operation). The incorrect oil suction screen may have been installed in the aerobatic engines listed below. This will result in the plug installed...

Supersedes Service Bulletin No. 583 July 21, 2008 MODELS AFFECTED All Lycoming new, overhauled, rebuilt, or repaired engines with: 1. A Slick model 4300/6300 series magneto with a serial number beginning with 0610#### through 0804####. 2. A LASAR model 4700/6700 series magneto with a serial number beginning with 0610#### through 0804####. 3. Any magneto which has had the cam, or the cam as part of...